[PATCH v5 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators
From: Ronald Claveau <hidden>
Date: 2026-03-26 10:02:01
Also in:
linux-amlogic, linux-devicetree, linux-mmc, linux-wireless, lkml
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
Add voltage regulator nodes describing the VIM4 power tree, required by peripheral nodes such as the SD card controller. Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Ronald Claveau <redacted> --- .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index fffdab96b12eb..2450084d37642 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts@@ -6,6 +6,8 @@ /dts-v1/; #include "amlogic-t7.dtsi" +#include <dt-bindings/gpio/amlogic,t7-periphs-pinctrl.h> +#include <dt-bindings/gpio/gpio.h> / { model = "Khadas vim4";
@@ -45,6 +47,94 @@ xtal: xtal-clk { #clock-cells = <0>; }; + dc_in: regulator-dc-in { + compatible = "regulator-fixed"; + regulator-name = "DC_IN"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + sd_3v3: regulator-sdcard-3v3 { + compatible = "regulator-fixed"; + regulator-name = "SD_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vddao_3v3>; + gpio = <&gpio GPIOD_11 GPIO_ACTIVE_LOW>; + regulator-boot-on; + enable-active-low; + regulator-always-on; + }; + + vcc5v: regulator-vcc-5v { + compatible = "regulator-fixed"; + regulator-name = "VCC5V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&dc_in>; + + gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vcc5v0_usb: regulator-vcc-usb { + compatible = "regulator-fixed"; + regulator-name = "VCC5V0_USB"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&vcc5v>; + + gpio = <&gpio GPIOY_5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vddao_1v8: regulator-vddao-1v8 { + compatible = "regulator-fixed"; + regulator-name = "VDDAO_1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vddao_3v3>; + regulator-always-on; + }; + + vddao_3v3: regulator-vddao-3v3 { + compatible = "regulator-fixed"; + regulator-name = "VDDAO_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&dc_in>; + regulator-always-on; + }; + + vddio_1v8: regulator-vddio-1v8 { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vddio_3v3>; + regulator-always-on; + }; + + vddio_3v3: regulator-vddio-3v3 { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vddao_3v3>; + regulator-always-on; + }; + + vddio_c: regulator-gpio-c { + compatible = "regulator-gpio"; + regulator-name = "VDDIO_C"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vddio_3v3>; + gpios = <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>; + states = <1800000 1 + 3300000 0>; + }; }; &uart_a {
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2.49.0